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Search: Posts Made By: capnward
Forum: Fuel System 08-16-2023, 09:04 PM
Replies: 5
Views: 867
Posted By Dave Neptune
Cleaning the Zenith carb for the A-4 is actually...

Cleaning the Zenith carb for the A-4 is actually quite simple especially if you pay attention to the important details.

First get a good carb kit and some carb cleaner spray. If you can't find the...
Forum: Troubleshooting 08-03-2023, 10:39 AM
Replies: 35
Views: 3,869
Posted By joe_db
Here is a better diagram that eliminates the...

Here is a better diagram that eliminates the problematic ammeter.
https://www.moyermarineforum.com/forums/attachment.php?attachmentid=10009&stc=1&d=1412250725
Forum: Troubleshooting 08-02-2023, 11:34 PM
Replies: 35
Views: 3,869
Posted By TimBSmith
What to add....

You have the emeritus brain trust commenting already....

My only comment is slow down. Savor the learning/teaching moment. Again and again I am learning that nearly everything that goes wrong...
Forum: Troubleshooting 08-02-2023, 10:43 AM
Replies: 35
Views: 3,869
Posted By edwardc
Something no one has mentioned is the fire...

Something no one has mentioned is the fire extinguisher residue. You should clean that stuff out thoroughly as soon as possible. I have found it to be corrosive to metal parts if left in contact for...
Forum: Troubleshooting 08-02-2023, 10:25 AM
Replies: 35
Views: 3,869
Posted By Dave Neptune
msmith10 & Bents, the reason for not switching...

msmith10 & Bents, the reason for not switching the "battery switch" when running is that it may "blow out" the diodes in the alternator possibly rendering it useless. However with an electrical fire...
Forum: Troubleshooting 08-01-2023, 06:04 PM
Replies: 35
Views: 3,869
Posted By msmith10
" I was going to say you should have turned off...

" I was going to say you should have turned off the battery switch as soon as the ignition switch spun around possibly shorting out the ignition circuit, but then I remembered that is to be avoided...
Forum: Troubleshooting 07-12-2023, 02:13 PM
Replies: 41
Views: 3,097
Posted By Dave Neptune
To do a compression check all plugs should be...

To do a compression check all plugs should be removed, batteries fully charged, the throttle set to wide open and the choke fully open. This is so the engine can "breath" which it can't do if the...
Forum: Fuel System 07-06-2023, 10:03 AM
Replies: 10
Views: 1,171
Posted By thatch
One thing that has not yet been mentioned is the...

One thing that has not yet been mentioned is the flame arrestor. Removing it for testing or cleaning it with carb cleaner will eliminate it as a possibility.
Tom
Forum: Cooling System 06-17-2023, 08:16 AM
Replies: 6
Views: 795
Posted By Dave Neptune
Marty, there can be many problems arise after an...

Marty, there can be many problems arise after an overheating episode. However since your engine has been running I doubt you have any real "problems" due to it. The A-4 block is made of a "hi-Nickle"...
Forum: Troubleshooting 06-16-2023, 05:47 PM
Replies: 41
Views: 3,097
Posted By Dave Neptune
Two questions. #1 Are your plugs still...

Two questions.

#1 Are your plugs still white?

#2 What are you doing when you "clean" the carb?

Rebuilding the carb is essentially disassembling cleaning and checking the float setting then...
Forum: Troubleshooting 06-06-2023, 11:05 AM
Replies: 41
Views: 3,097
Posted By Dave Neptune
That is an extremely lean condition. The...

That is an extremely lean condition. The porcelain ( the white ceramic around the electrode) is what you "read" and no color means almost no fuel. The black on the edges of the body of the plug is...
Forum: General Maintenance 05-20-2022, 12:24 PM
Replies: 12
Views: 2,575
Posted By Dave Neptune
Any amount of "top oil" with todays "dryer" and...

Any amount of "top oil" with todays "dryer" and less "lubricative" fuels is a plus. When the 100:1 is exceeded plug fouling can occur in poor running engines.

I used a "top oil" in my A-4 for 34...
Forum: Electrical 04-06-2022, 11:26 PM
Replies: 10
Views: 2,214
Posted By SbMolly
One thing that really surprised me with this...

One thing that really surprised me with this motor, and I was just out messing with mine a few minutes ago, is how little impact turning the distributor to advance or retard timing a few degrees has...
Forum: Electrical 04-05-2022, 07:23 PM
Replies: 10
Views: 2,214
Posted By Surcouf
So these are the 4 Masters of Firing: - gas: to...

So these are the 4 Masters of Firing:
- gas: to be 100% sure your engine is just not craving for something combustible, just try with "easy start / start pilot", or any other spray you like to use...
Forum: Fuel System 08-21-2021, 11:07 AM
Replies: 5
Views: 1,836
Posted By edwardc
My thought is that that worm gear didn't wear out...

My thought is that that worm gear didn't wear out all at once. It probably started slipping, one tooth at a time, until gradually it got worse and worse and finally stopped. The slipping would have...
Forum: Fuel System 08-19-2021, 08:42 PM
Replies: 5
Views: 1,836
Posted By ndutton
Point of technical accuracy: rotating the...

Point of technical accuracy: rotating the distributor body counter clockwise actually advances the timing.
Forum: Announcements 06-21-2021, 07:29 AM
Replies: 2
Views: 1,189
Posted By B Moyer
NEW Newsletter from MMI - An Exhausting Provlem

Don has written a new Newsletter on the Exhaust System. I think you will find it extremely helpful.

Click Here (https://moyermarine.com/ttjune_2021/)
Forum: Overhaul 10-19-2020, 06:32 PM
Replies: 21
Views: 5,727
Posted By Mo
Carb service: Total time about 1/2 an hour.

You should remove and clean the carb. Just take your time, disconnect the throttle linkage, choke linkage, fuel supply line and upper part of scavenger tube from the exhaust manifold. Take care not...
Forum: Troubleshooting 10-04-2020, 10:53 AM
Replies: 24
Views: 4,187
Posted By Dave Neptune
See post #8 on this thread. The synthetic is...

See post #8 on this thread. The synthetic is specifically designed to stay mixed with gas and lubricate when mixed with gasoline it is nothing more than "synthetic two-stroke oil" the good stuff is...
Forum: Introductions 08-25-2020, 01:31 PM
Replies: 23
Views: 8,139
Posted By edwardc
This still sounds like a fuel delivery...

This still sounds like a fuel delivery restriction problem to me. I had something similar several years ago. Enough fuel gets delivered to keep the float bowl full and the engine running at idle,...
Forum: Troubleshooting 07-03-2020, 01:53 PM
Replies: 14
Views: 3,276
Posted By edwardc
In my experience, modern carb cleaners do not...

In my experience, modern carb cleaners do not have the crud-cutting capabilities of those in my youth (which would instantly dissolve all forms of crud, and most plastics!). I find it is necessary...
Forum: Fuel System 05-15-2020, 12:05 PM
Replies: 13
Views: 4,184
Posted By Sculldog1
Thanks to all.

I have gotten to the bottom of my troubles. Indeed the float valve was getting stuck open and overflowing. Once I took it apart and saw a bunch of black bits and sediment and cleaned the jets...
Forum: Fuel System 11-18-2019, 10:01 AM
Replies: 11
Views: 3,102
Posted By Dave Neptune
What was the missing piece? Dave Neptune...

What was the missing piece?

Dave Neptune :cool:
Forum: Troubleshooting 09-27-2019, 09:55 PM
Replies: 21
Views: 4,727
Posted By ndutton
I prefer to use flare fittings for fuel lines...

I prefer to use flare fittings for fuel lines that require frequent disassembly such as at the carb inlet.
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Forum: Troubleshooting 09-16-2019, 10:15 PM
Replies: 18
Views: 8,834
Posted By Al Schober
Tough to tell whether you have an engine issue or...

Tough to tell whether you have an engine issue or a heat exchanger issue.
First thing I'd do is remove the thermostat and leave it out until you get the overheating under control. See what happens...
Showing results 1 to 25 of 39

 
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